Keyless/Power Door Locks/Security Alarm System Symptom Troubleshooting - Doors will not unlock (or lock) with the transmitter, but will lock (unlock) with the door switch
Doors will not unlock (or lock) with the transmitter, but will lock (unlock) with the door switch
NOTE: Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated, troubleshoot the indicated DTC first.
  1. Turn the ignition switch OFF.
  1. Remove the ignition key from the ignition switch.
  1. Close and lock the doors.
  1. Try to lock/unlock the doors with the keyless transmitter.
Do the door lock actuators work normally?
YES -
Intermittent failure. The system is OK at this time.■
NO -
Go to Step 5 .
  1. Open the driver's door.
Does the key-in reminder beeper sound?
YES -
Faulty ignition key switch, or short to ground on the ignition key switch PNK wire. Repair as necessary.■
NO -
Go to Step 6 .
Is the transmitter OK?
YES -
Substitute a known-good MICU and recheck.■
NO -
Replace the transmitter.■